Frame for breathing mask



FIG. 1 is a front perspective view of a frame for breathing mask showing our new ornamental design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a right side view thereof; and,

FIG. 7 is a left side view thereof.

The broken lines showing environment or structure of the breathing mask frame are for illustrative purposes only and form no part of the claimed design. 

CLAIM The ornamental design for a frame for breathing mask, as shown and described. 